Here Are 50 Multiple-Choice Questions (Mcqs) On
BIOCHEMISTRY
General Syllabus Followed By Many Universities In The USA
**1. Which of the following is NOT a major class of biomolecules?**
a. Lipids
b. Vitamins
c. Nucleotides
d. Carbohydrates
**Correct answer: b**
**2. Enzymes are biological catalysts that primarily affect:**
a. ΔG of a reaction
b. Activation energy of a reaction
c. Equilibrium constant of a reaction
d. Reaction spontaneity
**Correct answer: b**
**3. The building blocks of proteins are:**
a. Amino acids
b. Fatty acids
c. Monosaccharides
,d. Nucleotides
**Correct answer: a**
**4. What is the primary function of DNA?**
a. Energy storage
b. Enzyme regulation
c. Information storage
d. Cellular respiration
**Correct answer: c**
**5. Which of the following is a high-energy molecule involved in cellular energy
transfer?**
a. ATP
b. RNA
c. DNA
d. GTP
**Correct answer: a**
**6. The process of converting glucose into pyruvate in the cytoplasm is called:**
a. Glycogenesis
b. Glycogenolysis
c. Glycolysis
, d. Gluconeogenesis
**Correct answer: c**
**7. Which organelle is responsible for protein synthesis?**
a. Mitochondria
b. Golgi apparatus
c. Endoplasmic reticulum
d. Ribosome
**Correct answer: d**
**8. The pentose phosphate pathway primarily produces:**
a. Nucleotides
b. Amino acids
c. Fatty acids
d. Glucose
**Correct answer: a**
**9. Which of the following is an example of a reducing sugar?**
a. Glucose
b. Sucrose
c. Lactose
d. Maltose
BIOCHEMISTRY
General Syllabus Followed By Many Universities In The USA
**1. Which of the following is NOT a major class of biomolecules?**
a. Lipids
b. Vitamins
c. Nucleotides
d. Carbohydrates
**Correct answer: b**
**2. Enzymes are biological catalysts that primarily affect:**
a. ΔG of a reaction
b. Activation energy of a reaction
c. Equilibrium constant of a reaction
d. Reaction spontaneity
**Correct answer: b**
**3. The building blocks of proteins are:**
a. Amino acids
b. Fatty acids
c. Monosaccharides
,d. Nucleotides
**Correct answer: a**
**4. What is the primary function of DNA?**
a. Energy storage
b. Enzyme regulation
c. Information storage
d. Cellular respiration
**Correct answer: c**
**5. Which of the following is a high-energy molecule involved in cellular energy
transfer?**
a. ATP
b. RNA
c. DNA
d. GTP
**Correct answer: a**
**6. The process of converting glucose into pyruvate in the cytoplasm is called:**
a. Glycogenesis
b. Glycogenolysis
c. Glycolysis
, d. Gluconeogenesis
**Correct answer: c**
**7. Which organelle is responsible for protein synthesis?**
a. Mitochondria
b. Golgi apparatus
c. Endoplasmic reticulum
d. Ribosome
**Correct answer: d**
**8. The pentose phosphate pathway primarily produces:**
a. Nucleotides
b. Amino acids
c. Fatty acids
d. Glucose
**Correct answer: a**
**9. Which of the following is an example of a reducing sugar?**
a. Glucose
b. Sucrose
c. Lactose
d. Maltose
